The regulars at Mack's Bar love putting their heads together to solve a good mystery. But Mack is learning there's a big difference between barroom brain teasers and real-life murder. . . Milwaukee bar owner Mackenzie "Mack" Dalton has a unique neurological condition that gives her extra perceptive senses, and police detective Duncan Albright is convinced Mack's abilities can be used to help catch crooks. Mack may be at pro at mixing drinks, but she's...